111058-83-4 | (6aS,12aS)-6a-hydroxy-8,9-dimethoxy-12,12a-dihydrochromeno[3,4-b]furo[2,3-h]chromen-6(6aH)-one | C20H16 O7 |
111058-84-5 | (7aS,13aS)-6,7a-dihydroxy-9,10-dimethoxy-3,3-dimethyl-13,13a-dihydro-3H-chromeno[3,4-b]pyrano[2,3-h]chromen-7(7aH)-one | C23H22 O8 |